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[bgp-stats] Routing Table Report - Oregon IX view
Routing Table Report 00:00 GMT Fri 14 Jul, 2006
Analysis Summary
----------------
BGP routing table entries examined: 205575
Prefixes after maximum aggregation: 107603
Unique aggregates announced to Internet: 93988
Total ASes present in the Internet Routing Table: 22695
Origin-only ASes present in the Internet Routing Table: 19688
Origin ASes announcing only one prefix: 9422
Transit ASes present in the Internet Routing Table: 3007
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 3.3
Max AS path length visible: 27
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 20
Unregistered ASNs in the Routing Table: 14
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1550566837
Equivalent to 92 /8s, 107 /16s and 197 /24s
Percentage of available address space announced: 41.8
Percentage of allocated address space announced: 60.5
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 105345
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42766
Total APNIC prefixes after maximum aggregation: 17199
Prefixes being announced from the APNIC address blocks: 40375
Unique aggregates announced from the APNIC address blocks: 18414
APNIC Region origin ASes present in the Internet Routing Table: 2634
APNIC Region origin ASes announcing only one prefix: 741
APNIC Region transit ASes present in the Internet Routing Table: 402
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 237510308
Equivalent to 14 /8s, 40 /16s and 30 /24s
Percentage of available APNIC address space announced: 74.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7
210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 108684
Total ARIN prefixes after maximum aggregation: 59689
Prefixes being announced from the ARIN address blocks: 80864
Unique aggregates announced from the ARIN address blocks: 26993
ARIN Region origin ASes present in the Internet Routing Table: 10851
ARIN Region origin ASes announcing only one prefix: 4077
ARIN Region transit ASes present in the Internet Routing Table: 1031
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 295692577
Equivalent to 17 /8s, 159 /16s and 233 /24s
Percentage of available ARIN address space announced: 76.6
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 39773
Total RIPE prefixes after maximum aggregation: 26036
Prefixes being announced from the RIPE address blocks: 37192
Unique aggregates announced from the RIPE address blocks: 24020
RIPE Region origin ASes present in the Internet Routing Table: 8272
RIPE Region origin ASes announcing only one prefix: 4324
RIPE Region transit ASes present in the Internet Routing Table: 1369
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 260218752
Equivalent to 15 /8s, 130 /16s and 159 /24s
Percentage of available RIPE address space announced: 81.6
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11990
Total LACNIC prefixes after maximum aggregation: 3758
Prefixes being announced from the LACNIC address blocks: 10045
Unique aggregates announced from the LACNIC address blocks: 5663
LACNIC Region origin ASes present in the Internet Routing Table: 706
LACNIC Region origin ASes announcing only one prefix: 235
LACNIC Region transit ASes present in the Internet Routing Table: 135
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 31094016
Equivalent to 1 /8s, 218 /16s and 117 /24s
Percentage of available LACNIC address space announced: 46.3
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 2343
Total AfriNIC prefixes after maximum aggregation: 921
Prefixes being announced from the AfriNIC address blocks: 1564
Unique aggregates announced from the AfriNIC address blocks: 955
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 45
AfriNIC Region transit ASes present in the Internet Routing Table: 26
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4187648
Equivalent to 0 /8s, 63 /16s and 230 /24s
Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 1244 7510 231 CHINANET-BACKBONE
4755 945 256 68 Videsh Sanchar Nigam Ltd. Aut
9583 910 109 15 Sify Limited
9498 766 211 69 BHARTI BT INTERNET LTD.
4766 715 4435 309 Korea Telecom (KIX)
1221 646 1779 478 Telstra Pty Ltd
7545 551 124 74 TPG Internet Pty Ltd
17488 519 32 17 Hathway IP Over Cable Interne
4538 511 2717 31 China Education and Research
17676 490 7093 110 Softbank BB Corp.
9443 452 111 83 Primus Telecommunications
18101 424 85 23 Reliance Infocom Ltd Internet
17974 406 129 14 PT TELEKOMUNIKASI INDONESIA
17849 398 28 124 Telecommunications Technology
9929 395 281 58 China Netcom Corp.
17557 383 30 172 Pakistan Telecom
4802 378 81 167 Wantree Development
7474 356 211 230 SingTel Optus Pty Ltd
2907 341 1734 314 SINET Japan
4804 310 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 646 1948 444 UUNET - Commercial IP service
3215 404 1760 97 France Telecom Transpac
3301 316 1187 301 TeliaNet Sweden
3352 304 1639 33 Ibernet, Internet Access Netw
8220 282 471 265 COLT Telecommunications
3320 277 5012 233 Deutsche Telekom AG
680 246 2041 243 DFN-IP service G-WiN
6746 236 89 211 Dynamic Network Technologies,
3246 231 463 221 Song Networks
5089 230 1657 44 NTL Group Limited
1257 223 741 167 SWIPnet Swedish IP Network
8708 216 276 205 Romania Data Systems S.A.
24863 215 42 10 LINKdotNET AS number
8551 209 198 29 Bezeq International
30890 206 18 80 SC Kappa Invexim SRL
3269 201 2182 72 TELECOM ITALIA
8866 189 37 15 Bulgarian Telecommunication C
6830 176 813 37 UPC Distribution Services
3300 171 171 98 AUCS Communications Services
786 170 1778 170 The JANET IP Service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 5031 6753 779 UUNET Technologies, Inc.
4323 3179 746 274 Time Warner Telecom
705 1526 561 671 UUNET Technologies, Inc.
7018 1463 6237 935 AT&T WorldNet Services
721 1023 21934 310 DLA Systems Automation Center
6197 1015 635 476 BellSouth Network Solutions,
174 961 5737 890 Cogent Communications
18566 946 272 8 Covad Communications
2386 928 558 716 AT&T Data Communications Serv
1239 856 2794 606 Sprint
7046 835 253 691 UUNET Technologies, Inc.
19262 723 2204 191 Verizon Global Networks
20115 714 621 380 Charter Communications
209 694 3663 547 Qwest
22773 673 1741 40 Cox Communications, Inc.
11492 655 89 11 Cable One
7011 648 218 412 Citizens Utilities
6461 611 228 83 AboveNet Communications, Inc.
6198 600 568 237 BellSouth Network Solutions,
852 597 1084 381 Telus Advanced Communications
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3179 2905 Time Warner Telecom
4134 1244 1013 CHINANET-BACKBONE
18566 946 938 Covad Communications
9583 910 895 Sify Limited
4755 945 877 Videsh Sanchar Nigam Ltd. Aut
705 1526 855 UUNET Technologies, Inc.
721 1023 713 DLA Systems Automation Center
9498 766 697 BHARTI BT INTERNET LTD.
11492 655 644 Cable One
22773 673 633 Cox Communications, Inc.
6197 1015 539 BellSouth Network Solutions,
19262 723 532 Verizon Global Networks
7018 1463 528 AT&T WorldNet Services
6461 611 528 AboveNet Communications, Inc.
19916 563 509 OLM LLC
5668 531 507 CenturyTel Internet Holdings,
17488 519 502 Hathway IP Over Cable Interne
855 569 499 Canadian Research Network
8151 724 496 UniNet S.A. de C.V.
4538 511 480 China Education and Research
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati
65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat
65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati
64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli
65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr
65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr
65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet
65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
65010 PRIVATE 212.2.12.160/28 8190 VIATEL
64565 PRIVATE 212.111.35.128/27 4513 PFM Communications,
65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr
65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr
65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr
64560 PRIVATE 213.219.53.192/26 4513 PFM Communications,
65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma
64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio
64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio
64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
0.0.0.0/8 3303 Swisscom Ltd
172.16.2.32/27 6325 Illinois Century Network
172.16.2.80/28 6325 Illinois Century Network
172.31.31.0/30 6325 Illinois Century Network
192.168.83.0/24 292 Energy Sciences Network
198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
2.2.2.0/24 64666 PRIVATE ASN
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
183.206.196.0/24 2188 FR-RENATER-ASTER
192.44.0.0/24 5501 Fraunhofer Gesellschaft
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.84.205.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:9 /10:11 /11:28 /12:94
/13:207 /14:369 /15:726 /16:8928 /17:3373 /18:5557
/19:12163 /20:13815 /21:12281 /22:15618 /23:16933 /24:113274
/25:464 /26:370 /27:275 /28:209 /29:225 /30:514
/31:0 /32:114
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
701 3778 5031 UUNET Technologies, Inc.
4323 1887 3179 Time Warner Telecom
705 969 1526 UUNET Technologies, Inc.
18566 929 946 Covad Communications
6197 795 1015 BellSouth Network Solutions,
7018 776 1463 AT&T WorldNet Services
9583 740 910 Sify Limited
11492 643 655 Cable One
2386 639 928 AT&T Data Communications Serv
7046 591 835 UUNET Technologies, Inc.
19916 557 563 OLM LLC
7011 556 648 Citizens Utilities
6461 539 611 AboveNet Communications, Inc.
4766 526 715 Korea Telecom (KIX)
2686 511 556 IBM
855 447 569 Canadian Research Network
6198 442 600 BellSouth Network Solutions,
702 432 646 UUNET - Commercial IP service
9498 430 766 BHARTI BT INTERNET LTD.
5668 414 531 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:9 8:43 11:1 12:1631 13:1
15:15 16:3 17:3 18:4 20:41 24:780
25:1 30:2 32:264 38:235 40:54 41:6
44:3 47:6 52:4 55:1 56:3 57:48
58:200 59:278 60:190 61:872 62:940 63:3414
64:3583 65:3659 66:3754 67:641 68:675 69:1556
70:391 71:86 72:817 74:56 75:1 80:775
81:675 82:685 83:398 84:396 85:583 86:411
87:392 88:113 89:340 91:1 121:1 122:3
123:1 124:277 125:551 128:164 129:184 130:120
131:314 132:35 133:9 134:159 135:48 136:178
137:83 138:206 139:139 140:488 141:135 142:405
143:169 144:230 145:40 146:309 147:142 148:347
149:194 150:114 151:95 152:73 153:106 154:6
155:205 156:187 157:144 158:166 159:173 160:91
161:80 162:245 163:160 164:287 165:230 166:174
167:244 168:614 169:125 170:353 171:14 183:1
190:86 192:5816 193:3366 194:2748 195:2118 196:882
198:4095 199:3354 200:4632 201:989 202:6912 203:7131
204:4074 205:2182 206:2796 207:3563 208:3003 209:3815
210:2141 211:753 212:1367 213:1582 214:361 215:41
216:4361 217:1388 218:315 219:261 220:733 221:351
222:199
End of report
